Home > Fittings > Stainless Steel Union
Mbemba Stainless is a well-respected manufacturer and supplier of top-notch **Stainless Steel Unions** located in Kinshasa, Congo. The company has built a solid reputation for providing precision-engineered unions that guarantee strong, leak-proof, and durable connections in a variety of piping systems. These fittings are designed to handle high pressure and temperature, meeting global quality standards while offering outstanding corrosion resistance. With a strong focus on innovation and customer satisfaction, Mbemba Stainless delivers Stainless Steel Unions that cater to industrial, commercial, and marine applications, serving industries like petrochemical, power generation, water treatment, and food processing both in Congo and beyond.
Typically, Stainless Steel Unions are made from grades such as SS 304, 304L, 316, and 316L, which include chromium (18–20%), nickel (8–12%), and molybdenum (2–3% in 316). These materials significantly boost resistance to corrosion, oxidation, and pitting in harsh environments. The unions boast impressive tensile strength ranging from 515–620 MPa and yield strength between 205–290 MPa, along with excellent ductility and hardness. Their strong mechanical properties make them perfect for high-pressure, high-temperature, and corrosive service conditions.
| Dimensions | ASME 16.11, MSS SP-79, MSS SP-95, 83, 95, 97, BS 3799 |
| Size | 1/8″ NB TO 4″ NB |
| Form | Threaded Union, Forged Threaded Union |
| Pressure Ratings | Up to 20,000 psig (1,378 bar) |
|---|---|
| Temperature Ratings | Up to 1000° F (537° C) |
| Class | 33000 LBS, 6000 LBS, 4500 LBS |
| Type | Socket Weld (S/W) & SCREWED (SCRD) – NPT, BSP, BSPT |
| Types | NPT, ISO/BSP, SAE threads |
| Value Added Services: | Hot Dipped Galvanizing, Epoxy & FBE Coating, Electro Polish, Sand Blasting, Threading, Soldering |
| Export to | Singapore, Indonesia, Kinshasa, Brazil, Ukraine, India, Thailand, Korea, Oman, Spain, Canada, USA, Ireland, Iran, Egypt, Saudi Arabia, Peru, etc |
| Production Grades: | Stainless Steel, Alloy Steel, Duplex, Nickel Alloys, Low temperature Steel, Carbon Steel, Cupro Nickel |
| Sizes available | 1/16 to 1 in. |
| Main Types | Pipe nipples, adapter and gaskets, reducing bushing and reducers, couplings, elbows, tees, crosses, union ball joints, caps, and plugs |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Ti | Fe | |
| 304 | min. | 18.0 | 8.0 | |||||||||
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||||
| 304L | min. | 18.0 | 8.0 | |||||||||
| max. | 0.030 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 12.0 | 0.10 | ||||
| 304H | min. | 0.04 | 18.0 | 8.0 | ||||||||
| max. | 0.010 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | |||||
| SS 310 | 0.015 max | 2 max | 0.015 max | 0.020 max | 0.015 max | 24.00 26.00 | 0.10 max | 19.00 21.00 | 54.7 min | |||
| SS 310S | 0.08 max | 2 max | 1.00 max | 0.045 max | 0.030 max | 24.00 26.00 | 0.75 max | 19.00 21.00 | 53.095 min | |||
| SS 310H | 0.04 0.10 | 2 max | 1.00 max | 0.045 max | 0.030 max | 24.00 26.00 | 19.00 21.00 | 53.885 min | ||||
| 316 | min. | 16.0 | 2.03.0 | 10.0 | ||||||||
| max. | 0.035 | 2.0 | 0.75 | 0.045 | 0.030 | 18.0 | 14.0 | |||||
| 316L | min. | 16.0 | 2.03.0 | 10.0 | ||||||||
| max. | 0.035 | 2.0 | 0.75 | 0.045 | 0.030 | 18.0 | 14.0 | |||||
| 316TI | 0.08 max | 10.00 14.00 | 2.0 max | 0.045 max | 0.030 max | 16.00 18.00 | 0.75 max | 2.00 3.00 | ||||
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 304/ 304L | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 35 % |
| 304H | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 40 % |
| 310 / 310S / 310H | 7.9 g/cm3 | 1402 °C (2555 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 40 % |
| 306/ 316H | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 35 % |
Contact us to get a quick quote for your requirement.
Moreover, test certificates such as MTC as per EN 10204/3.1b, PMI Test Certificate, 100% Radiography Test Report, and Third Party Inspection Certificate are provided by most Mbemba Stainless Unions. Such documents act as proof for the quality and reliability of the product to its users regarding high performance and durability. Commitment to seamless and trustworthy experience where these Stainless Steel Unions meet the best standards of quality and compliance.
Stainless Steel Unions typically do not require additional corrosion protection coatings due to their inherent resistance to rust and corrosion. However, coatings may be applied for extreme environments or aesthetic purposes.
Yes, Stainless Steel Unions are fully recyclable. Stainless steel is a sustainable material that can be reused without losing its properties, making it an environmentally friendly choice for various applications.
When selecting Stainless Steel Unions, consider factors like material grade, pressure ratings, size compatibility, corrosion resistance, and the specific application environment to ensure optimal performance and durability.
Stainless Steel Unions are available in various configurations, including threaded, butt-weld, socket-weld, and flanged unions, offering different connection types to suit diverse industrial applications and pressure requirements.
You’ll find Stainless Steel Unions commonly used in **chemical plants, oil and gas refineries, food and beverage industries, water treatment facilities, and marine environments**. They facilitate easy disassembly and maintenance of piping systems without risking damage or leaks. These unions are crucial for connecting or disconnecting sections of pipe in fluid transfer systems. Thanks to their remarkable corrosion resistance, smooth finish, and mechanical strength, Stainless Steel Unions are the go-to choice for sanitary, hydraulic, and industrial applications that demand reliability, safety, and a long service life.
©2024 Mbemba Stainless All Rights Reserved.
